Battery charger for a portable radio telephone set



FIG. 1 is a front elevational view of a battery charger for a portable radio telephone set showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front, top and right side perspective view thereof; and

FIG. 7 is a rear, top and left side perspective view thereof. 

The ornamental design for a battery charger for a portable radio telephone set, as shown. 